// Frontend general
html, body, #wrapwrap {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
#wrapwrap {
    // The z-index is useful to prevent that children with a negative z-index
    // go behind the wrapwrap (we create a new stacking context).
    z-index: 0;
    position: relative;
    display: flex;
    flex-flow: column nowrap;
    // ... we delegate the scroll to that top element instead of the window/body
    // This is at least needed for the edit mode to not have a double scrollbar
    // due to the right editor panel (and since we want to minimize the style
    // difference between edit mode and non-edit mode (wysiwyg)...).
    overflow: auto;

    > * {
        flex: 0 0 auto;
    }
    > main {
        flex: 1 0 auto;
    }
}
.modal-open #wrapwrap {
    overflow: hidden;
}
